EP0629581 - Process for the production of TIO2 from TIO2 process residues [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.02.1998 Database last updated on 03.09.2024 | Most recent event Tooltip | 13.02.1998 | No opposition filed within time limit | published on 01.04.1998 [1998/14] | Applicant(s) | For all designated states METALLGESELLSCHAFT AG Bockenheimer Landstrasse 73-77 60323 Frankfurt am Main / DE | [N/P] |
Former [1994/51] | For all designated states METALLGESELLSCHAFT AG Reuterweg 14 D-60323 Frankfurt am Main / DE | Inventor(s) | 01 /
Amirzadeh-Asl, Djamschid, Dr. Tervoortstrasse 8 D-47445 Moers / DE | [1997/15] |
Former [1994/51] | 01 /
Amirzadeh-Asl, Djmaschid, Dr. Tervoortstrasse 8 D-47445 Moers / DE | Application number, filing date | 94201460.6 | 24.05.1994 | [1994/51] | Priority number, date | DE19934318126 | 01.06.1993 Original published format: DE 4318126 | [1994/51] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0629581 | Date: | 21.12.1994 | Language: | DE | [1994/51] | Type: | B1 Patent specification | No.: | EP0629581 | Date: | 09.04.1997 | Language: | DE | [1997/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.10.1994 | Classification | IPC: | C01G23/053 | [1994/51] | CPC: |
C01G23/0532 (EP);
C22B34/125 (EP);
C01P2002/72 (EP);
Y02P10/20 (EP)
| Designated contracting states | DE, ES, FR, GB, IT, NL [1994/51] | Title | German: | Verfahren zur Gewinnung von TiO2 aus dem Rückstand der TiO2-Herstellung | [1997/15] | English: | Process for the production of TIO2 from TIO2 process residues | [1994/51] | French: | Procédé d'obtention de TIO2 à partir des résidus de la fabrication de TIO2 | [1994/51] |
Former [1994/51] | Verfahrenzur Gewinnung von TiO2 aus dem Rückstand der TiO2-Herstellung | Examination procedure | 03.02.1995 | Examination requested [1995/14] | 20.11.1995 | Despatch of a communication from the examining division (Time limit: M04) | 30.05.1996 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time | 19.06.1996 | Reply to a communication from the examining division | 19.09.1996 | Despatch of communication of intention to grant (Approval: Yes) | 07.10.1996 | Communication of intention to grant the patent | 08.11.1996 | Fee for grant paid | 08.11.1996 | Fee for publishing/printing paid | Opposition(s) | 10.01.1998 | No opposition filed within time limit [1998/14] | Request for further processing for: | 19.06.1996 | Request for further processing filed | 19.06.1996 | Full payment received (date of receipt of payment) Request granted | 02.08.1996 | Decision despatched | Fees paid | Renewal fee | 28.03.1996 | Renewal fee patent year 03 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]EP0475104 (BAYER AG [DE]) [A] 1 * claim 1 *; | [D]DE4027105 (BAYER AG [DE]); | [A]EP0031064 (BAYER AG [DE]) [A] 1 * claim 1 *; | [A]US2850357 (MYERS MYRON L, et al) [A] 1 * claim 1 *; | [A]JPS5241197 | [A] - DATABASE WPI, 1, Derwent World Patents Index, vol. 77, no. 19, Database accession no. 77-33702Y, & JPS5241197 A 19770330 (TONG I) [A] 1 * abstract * |